General description This is a 150 mm (6 inch) square tool designed for precise measurements and layout work in DIY and home improvement projects. Made from high-quality tool steel, it offers durability and accuracy for professional and hobbyist use. Technical specifications Size: 150 mm (6 inches) External size: 173 x 100 mm Internal size: 150 x 75 mm Stock thickness: 11 mm Blade thickness: 1.7 mm Material: High-quality tool steel Standard: BS939 Grade B Compatibility and accessories Compatible with various measuring and layout tasks in woodworking, metalworking, and construction Includes 1 square tool per package Installation No installation required; ready to use out of the box Usage Use for marking and measuring right angles and straight lines Suitable for precise layout work in DIY projects, carpentry, and metalworking Other information Manufactured by Faithfull